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Both intrusive and extrusive igneous rocks can be further classified according to the differences of chemical and mineral compositions.

根据岩石中的化学成分和矿物成分差异，侵入岩和喷出岩可以作进一步的详细划分。

It also discussed the relationship between the main chemical compositions of tobacco leaf surface exudates and the aroma of tobacco leaf.

展望了烟叶腺毛及其分泌物的研究方向和途径，提出烟叶腺毛及其分泌物研究的意义和目的。

The selection of fracture splitting forceparameter mainly depends on experience and no theory can abide by.In this paper aim at the technique of fracture splitting of engine connectingrod, the materials fitting to fracture splitting have been analysed, according tosome influence factors that the former has researched. The influence that thechemistry compositions to the mechanics function and the physical function insteel have been analyzed. The theory of quasistatic fracture splitting of suitableconnecting rod for engine EA827 has been studied. Aimed at the new materialC70S6, the quasistatic procedure has been numerical simulation analyzed bySPH non-mesh method. The solved stress intensity factor module andparameterize model building module have been developed based ANSYS byAPDL.

本论文主要研究发动机连杆裂解工艺，根据已知的一些连杆裂解影响因素，对适合裂解的连杆材料进行了综合分析，分析了钢中各组成化学成分对力学性能和物理性能的影响，针对新型裂解连杆材料C70S6钢，对捷达EA827发动机配套连杆进行了准静态裂解理论分析，并且利用SPH无网格方法对此进行了数值模拟分析，利用APDL开发了基于ANSYS的求解连杆裂解应力强度因子模块和参数化建模模块。

As one of the main bioactive compositions of the Chinese herbs and perfume plants, farnesol is more and more widely applied in pharmaceuticals, agrochemicals, cosmetics, and domestic chemicals, having good prospects.

金合欢醇是中草药植物的重要活性成分之一，也是一些重要香料植物精油中的主要香料成分之一，因此，在医药、农药、化妆品和日用化工等需要其生物活性的方面已经得到较多应用，并具有较好的前景。

The increased number of mitochondria in tetraploids seemed to adapt the demanding of more energy for fecundation in tetraploids because of larger size. 3 Biochemical compositions in gonad and adductor muscle between diploids and triploids in the Pacific oyster, Crassostrea gigas, during an annual period were examined.

三、对二倍体与三倍体太平洋牡蛎的性腺和闭壳肌生化组分含量2003.4-2004.3的年度变化的分析结果显示：二倍体牡蛎性腺糖原含量在配子发生过程中明显降低，至性腺成熟时降低了78.57%（P＜O.01），繁殖期维持在较低水平上，繁殖期过后逐渐升高，10月份至翌年3月份都保持较高的水平。

ObjectiveTo study the compositions of resin and basilar leaves of Ferula lehmanni Boiss.

目的对大果阿魏树脂和基生叶成分进行研究。

What are the main chemical compositions of plant fiber?

什么是吸附、解吸？吸附到纤维素纤维上的水有哪些类型？？

To conclude the piece we accept that the first millennium alwar saints( and perhaps the ones who existed before them) who have left some soul stirring compositions did experience the divine but we need to delve deeper into the available editions of their work to figure out what was actually their work and what is fictious concoction of later ages.

要结束时，我们同意，第一个千年阿尔瓦尔圣人谁离开了一些首荡气回肠成分确实遇到神，但我们需要深入研究他们的工作可用版本更深，找出其实他们的工作是什么，是后世虚构捏造。

Especially to the white flake problem which severely affected the presentation quality of Sufu, the paper analyzed the compositions of white flake which is mostly made of tyrosine , and the mechanism that how the white flake appe.

特别针对严重影响腐乳外观的白点问题进行了论述，分析了其成分为酪氨酸，以及白点的形成机理，最后提出了相关的解决办法。

The experimental results showed that it could effectively increase flavoring compositions in liquor, improve liquor quality, and reduce production cost.

结果表明，效果明显，增加了白酒中的香味成分，同时提高了产品质量，降低了生产成本。

These rules reflect some inherent feature of self and nonself, and they are the basic detection criterion of GECISM.

这些规则反映了"自我"和"非我"的内在特征，是GECISM进行"非我"检测的判据。

Until today, the media from China and the outside world still uses the term "Post 89". Regardless to whether it is for commercial gimmick or convenience, everybody still remember "Post 89", a term which carries a strong Cantonese accent.

时至今日，国内外艺术媒体还是在沿用&后八九&这个称谓，不管当初是为了商业噱头还是容易上口好记，反正大家现在是记住了&后八九&这个广东口音很重的词。